1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os/aix/vm/libperfstat_aix.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,59 @@
1.4 +/*
1.5 + * Copyright 2012, 2013 SAP AG. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// encapsulates the libperfstat library.
1.29 +//
1.30 +// The purpose of this code is to dynamically load the libperfstat library
1.31 +// instead of statically linking against it. The libperfstat library is an
1.32 +// AIX-specific library which only exists on AIX, not on PASE. If I want to
1.33 +// share binaries between AIX and PASE, I cannot directly link against libperfstat.so.
1.34 +
1.35 +#ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP
1.36 +#define OS_AIX_VM_LIBPERFSTAT_AIX_HPP
1.37 +
1.38 +#include <libperfstat.h>
1.39 +
1.40 +class libperfstat {
1.41 +
1.42 +public:
1.43 +
1.44 + // Load the libperfstat library (must be in LIBPATH).
1.45 + // Returns true if succeeded, false if error.
1.46 + static bool init();
1.47 +
1.48 + // cleanup of the libo4 porting library.
1.49 + static void cleanup();
1.50 +
1.51 + // direct wrappers for the libperfstat functionality. All they do is
1.52 + // to call the functions with the same name via function pointers.
1.53 + static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff,
1.54 + int sizeof_userbuff, int desired_number);
1.55 +
1.56 + static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff,
1.57 + int sizeof_userbuff, int desired_number);
1.58 +
1.59 + static void perfstat_reset();
1.60 +};
1.61 +
1.62 +#endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP
